CN214564618U - Lower body structure of hydrogen fuel cell automobile - Google Patents
Lower body structure of hydrogen fuel cell automobile Download PDFInfo
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- CN214564618U CN214564618U CN202023081722.4U CN202023081722U CN214564618U CN 214564618 U CN214564618 U CN 214564618U CN 202023081722 U CN202023081722 U CN 202023081722U CN 214564618 U CN214564618 U CN 214564618U
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Abstract
The utility model discloses a lower automobile body structure of hydrogen fuel cell car relates to hydrogen energy car technical field, including lower automobile body and hydrogen bottle frame, the internally mounted of automobile body has the automobile body crossbeam down, and the top of automobile body crossbeam is fixed with the seat crossbeam, the upside of automobile body crossbeam and seat crossbeam is provided with down passageway in the automobile body, the inside downside of automobile body is provided with the installation cavity down, and the installation cavity is located the below of automobile body crossbeam, the hydrogen bottle frame is installed in the inside of installation cavity, and the upside of hydrogen bottle frame is fixed with buffer spacer. The utility model has the advantages that: the hydrogen bottle fixed cross beam of this structure is fixed through the bolt after the automobile body crossbeam of automobile body bottom, seat crossbeam stack combination, has increased the rigidity of lower part automobile body to through connecting bolt fixed connection together between hydrogen bottle fixed cross beam and the automobile body crossbeam, can resist the side impact jointly and assault, promoted the security of side impact by a wide margin, also played fine guard action to the hydrogen bottle simultaneously.
Description
Technical Field
The utility model relates to a hydrogen can car technical field specifically is a lower automobile body structure of hydrogen fuel cell car.
Background
The fuel cell engine gets commercial breakthrough from around 2010 to 2015, the international famous car factories and fuel cell companies focus on commercial development work, and key breakthrough is made at 2015, so that the fuel cell engine advances to the commercialization stage; thereby promoting the rapid development of fuel cell engine power vehicles. In the development process of hydrogen energy automobiles, the problem of larger weight of the whole automobile due to more accessories related to hydrogen energy is solved. In order to optimize the energy consumption of the whole vehicle and improve the endurance mileage, the light weight development has very important function in the design process of the whole vehicle.
Under the traditional thought, the automobile body and other system components are borne by the automobile body, and the design thought of independent development of each system causes the overweight of the whole automobile, the difficulty in assembling each system, low integration level of the automobile body, insufficient installation safety of a hydrogen bottle, and improvement of the transverse rigidity and the side collision safety of the whole automobile.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a lower automobile body structure of hydrogen fuel cell car to under the traditional thinking that provides in solving above-mentioned background art, the automobile body bears the automobile body with other system parts, the design of each system development alone, and this has caused whole car weight overweight, each system assembly difficulty, and the automobile body integrated level is not high, and hydrogen bottle installation security is not enough, and the transverse rigidity of whole car and the security of bumping on one's side remain the problem that improves.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a lower automobile body structure of hydrogen fuel cell car, includes automobile body and hydrogen bottle frame down, the internally mounted of automobile body has the automobile body crossbeam down, and the top of automobile body crossbeam is fixed with the seat crossbeam, the upside of automobile body crossbeam and seat crossbeam is provided with down passageway in the automobile body, the inside downside of automobile body is provided with the installation cavity down, and the installation cavity is located the below of automobile body crossbeam, hydrogen bottle frame mounting is in the inside of installation cavity, and the upside of hydrogen bottle frame is fixed with buffer spacer, the internally mounted of hydrogen bottle frame has the hydrogen bottle, and the top outside of hydrogen bottle is provided with hydrogen bottle fixed cross beam, hydrogen bottle fixed cross beam's both sides link to each other with hydrogen bottle frame, and runs through between hydrogen bottle fixed cross beam and the automobile body crossbeam and have connecting bolt.
Preferably, the symmetry center of the lower vehicle body coincides with the symmetry center of the vehicle body cross beam, and the symmetry center of the vehicle body cross beam coincides with the symmetry center of the hydrogen cylinder fixing cross beam.
Preferably, the vehicle body cross beam is of a horizontal structure, and the vehicle body cross beam is connected with the seat cross beam through bolts.
Preferably, the number of the seat cross beams is two, and the seat cross beams are parallel to each other.
Preferably, the shape of the mounting cavity is matched with that of the hydrogen bottle frame, and the transverse center line of the mounting cavity is overlapped with that of the hydrogen bottle frame.
Preferably, the hydrogen bottle frame is fixedly connected with the buffer gasket, and the hydrogen bottle frame is connected with the mounting cavity of the lower vehicle body through bolts.
Preferably, the hydrogen bottles are provided with five groups, the hydrogen bottles are distributed at equal intervals, and the hydrogen bottles and the hydrogen bottle frame are installed in an integrated mode.
Preferably, the hydrogen bottle fixed cross beam is provided with three, and one side that hydrogen bottle was pressed close to hydrogen bottle of hydrogen bottle fixed cross beam's downside is arc column structure.
Preferably, the hydrogen cylinder fixing cross beam is connected with the vehicle body cross beam through connecting bolts, and the connecting bolts are symmetrical with respect to the center line of the hydrogen cylinder fixing cross beam.
The utility model provides a lower automobile body structure of hydrogen fuel cell car possesses following beneficial effect:
1. the utility model discloses among the technical scheme, the center of symmetry of lower automobile body and the center of symmetry coincidence of automobile body crossbeam, the cooperation installation of both of being convenient for, automobile body crossbeam can play the effect of bearing, wherein be bolted connection between automobile body crossbeam and the seat crossbeam, the assembly between them of being convenient for, two seat crossbeams that are parallel to each other are convenient for carry out the bearing to the seat of follow-up installation to increased whole car transverse rigidity in the seat crossbeam of enhancement, the security of bumping by the side that promotes by a wide margin.
2. The utility model discloses among the technical scheme, the installation cavity is identical with the shape of hydrogen bottle frame and both transverse center line coincide mutually, be convenient for stably set up the inside of installation cavity with the hydrogen bottle frame, buffer gasket's setting is convenient for coordinate assembly error, make things convenient for the adaptation of hydrogen bottle frame and automobile body threshold, hydrogen bottle frame and the whole bolted connection of lower automobile body, can undertake jointly the torsion and the bending deformation of whole car, moreover because hydrogen bottle system and automobile body highly integrated for whole car height reduces hydrogen bottle security when by a wide margin and improves.
3. In the technical proposal of the utility model, five groups of hydrogen bottles which are arranged equidistantly are integrated and are arranged inside the hydrogen bottle frame for convenient use, and the light-weight spatial type automobile body is realized, three hydrogen bottle fixing crossbeams are all arranged at the upper side of the hydrogen bottle for limiting and protecting the hydrogen bottle, one side of the hydrogen bottle fixing crossbeam close to the hydrogen bottle is of an arc-shaped structure which is matched with the shape of the hydrogen bottle for convenient installation and use,
4. the utility model discloses among the technical scheme, the rigidity of lower part automobile body has been increased through the bolt fastening with the stack combination such as the automobile body crossbeam of automobile body bottom, seat crossbeam to through connecting bolt fixed connection between hydrogen bottle fixed cross beam and the automobile body crossbeam, can resist the side jointly and bump the impact, promoted the security that the side bumped by a wide margin, also played fine guard action to the hydrogen bottle simultaneously.
Drawings
Fig. 1 is a schematic view of a lower body overlooking structure of a lower body structure of a hydrogen fuel cell vehicle according to the present invention;
fig. 2 is a schematic view of the lower body overlooking internal structure of the lower body structure of the hydrogen fuel cell vehicle of the present invention;
fig. 3 is a schematic view of a hydrogen bottle frame of a lower body structure of a hydrogen fuel cell vehicle according to the present invention;
fig. 4 is a schematic side sectional view of a hydrogen cylinder frame of a lower body structure of a hydrogen fuel cell vehicle according to the present invention;
fig. 5 is a schematic view of the cross-sectional enlarged structure of the connecting bolt of the lower body structure of the hydrogen fuel cell vehicle of the present invention.
In the figure: 1. a lower vehicle body; 2. a vehicle body cross member; 3. a seat cross member; 4. a lower body center tunnel; 5. a mounting cavity; 6. a hydrogen bottle frame; 7. a cushion pad; 8. a hydrogen bottle; 9. a hydrogen bottle fixing beam; 10. and connecting the bolts.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1-5, the present invention provides a technical solution: a lower automobile body structure of a hydrogen fuel cell automobile comprises a lower automobile body 1, an automobile body cross beam 2, a seat cross beam 3, a lower automobile body middle channel 4, a mounting cavity 5, a hydrogen bottle frame 6, a buffer gasket 7, a hydrogen bottle 8, a hydrogen bottle fixing cross beam 9 and a connecting bolt 10, wherein the automobile body cross beam 2 is mounted inside the lower automobile body 1, the seat cross beam 3 is fixed above the automobile body cross beam 2, the symmetry center of the lower automobile body 1 is superposed with the symmetry center of the automobile body cross beam 2, the symmetry center of the automobile body cross beam 2 is superposed with the symmetry center of the hydrogen bottle fixing cross beam 9, the symmetry center of the lower automobile body 1 is superposed with the symmetry center of the automobile body cross beam 2 so as to facilitate the matching and mounting of the two, the automobile body cross beam 2 is of a horizontal structure, the automobile body cross beam 2 is connected with the seat cross beam 3 through the bolt, the automobile body cross beam 2 can play a bearing role, and the automobile body cross beam 2 is connected with the seat cross beam 3 through the bolt so as to facilitate the assembly of the automobile body cross beam and the automobile body cross beam, the rigidity of the lower vehicle body 1 is increased, the two seat cross beams 3 are arranged and are parallel to each other, the two seat cross beams 3 which are parallel to each other are convenient for bearing subsequently installed seats, the reinforced seat cross beam 3 is added with the transverse rigidity of the whole vehicle, and the side collision safety is greatly improved;
the upper sides of the car body cross beam 2 and the seat cross beam 3 are provided with a lower car body middle channel 4, the lower side of the inner part of the lower car body 1 is provided with a mounting cavity 5, the mounting cavity 5 is positioned below the car body cross beam 2, the shape of the mounting cavity 5 is matched with the shape of the hydrogen bottle frame 6, the transverse central line of the mounting cavity 5 is superposed with the transverse central line of the hydrogen bottle frame 6, the mounting cavity 5 is matched with the hydrogen bottle frame 6, the transverse central lines of the mounting cavity 5 and the hydrogen bottle frame 6 are superposed, so that the hydrogen bottle frame 6 is stably arranged in the mounting cavity 5, the hydrogen bottle frame 6 is arranged in the mounting cavity 5, the upper side of the hydrogen bottle frame 6 is fixedly connected with the buffer gasket 7, the hydrogen bottle frame 6 is connected with the mounting cavity 5 of the lower car body 1 through a bolt, the arrangement of the buffer gasket 7 is convenient for coordinating assembly errors, and facilitating the adaptation of the hydrogen bottle frame 6 and the car body threshold, the hydrogen bottle frame 6 is integrally bolted with the lower vehicle body 1, so that the torsion and bending deformation of the whole vehicle can be borne together, and the height of the whole vehicle is greatly reduced and the safety of the hydrogen bottle 8 is greatly improved due to the high integration of the hydrogen bottle system and the vehicle body;
the hydrogen bottle frame 6 is internally provided with hydrogen bottles 8, the outer side above the hydrogen bottles 8 is provided with hydrogen bottle fixing beams 9, the hydrogen bottles 8 are provided with five groups, the hydrogen bottles 8 are distributed at equal intervals, the hydrogen bottles 8 and the hydrogen bottle frame 6 are installed in an integrated mode, the five groups of hydrogen bottles 8 arranged at equal intervals are installed in the hydrogen bottle frame 6 in an integrated mode, the use is convenient, and a light-weight space type vehicle body is realized, the number of the hydrogen bottle fixing beams 9 is three, one side, close to the hydrogen bottles 8, of the lower side surfaces of the hydrogen bottle fixing beams 9 is of an arc-shaped structure, the three hydrogen bottle fixing beams 9 are all arranged on the upper side of the hydrogen bottles 8 to limit and protect the hydrogen bottles 8, one side, close to the hydrogen bottles 8, of the lower side surfaces of the hydrogen bottle fixing beams 9 is of an arc-shaped structure, the shape of the hydrogen bottles 8 is matched with the shape of the hydrogen bottles 8, and the hydrogen bottles are convenient to install and use;
hydrogen bottle fixed cross beam 9's both sides link to each other with hydrogen bottle frame 6, and it has connecting bolt 10 to run through between hydrogen bottle fixed cross beam 9 and the automobile body crossbeam 2, be connected through connecting bolt 10 between hydrogen bottle fixed cross beam 9 and the automobile body crossbeam 2, and symmetrical about the central line of hydrogen bottle fixed cross beam 9 between the connecting bolt 10, be in the same place through connecting bolt 10 fixed connection between hydrogen bottle fixed cross beam 9 and the automobile body crossbeam 2, can resist the side impact jointly and strike, the security of side impact has been promoted by a wide margin, fine guard action has also been played to the hydrogen bottle simultaneously.
To sum up, the lower body structure of the hydrogen fuel cell vehicle adopts a split type threshold which is composed of a vehicle body threshold and a hydrogen bottle frame 6 together when in use, firstly, hydrogen bottles 8 which are arranged at equal intervals can be integrally installed inside the hydrogen bottle frame 6, then the hydrogen bottle frame 6 is stably arranged inside the installation cavity 5, so that the hydrogen bottle frame 6 is integrally connected with the lower vehicle body 1 through bolts to commonly bear the torsion and bending deformation of the whole vehicle, in the process, a buffer gasket 7 is additionally arranged between the hydrogen bottle frame 6 and the vehicle body threshold for coordinating the assembly error, then a hydrogen bottle fixing cross beam 9 is arranged on the outer side above the hydrogen bottle 8, and the two sides of the hydrogen bottle fixing cross beam 9 are connected with the hydrogen bottle frame 6, so that the three hydrogen bottle fixing cross beams 9 are all positioned on the upper side of the hydrogen bottle 8 to limit and protect the hydrogen bottle 8, and the hydrogen bottle system is highly integrated with the vehicle body, make whole car height reduce by a wide margin while the security of hydrogen bottle 8 improves by a wide margin, then can be through connecting bolt 10 with automobile body crossbeam 2 fixed connection at the upside of hydrogen bottle fixed cross beam 9, make installation cavity 5 form closed die cavity, and be in the same place through connecting bolt 10 fixed connection between hydrogen bottle fixed cross beam 9 and the automobile body crossbeam 2, can resist the side impact jointly, the security of side impact has been promoted by a wide margin, also played fine guard action to the hydrogen bottle simultaneously, at last assemble automobile body crossbeam 2 and seat crossbeam 3 through the bolted connection again, fixed cross beam 9 and the automobile body crossbeam 2 of automobile body bottom, the stack combination such as seat crossbeam 3 passes through the bolt fastening, the rigidity of lower part automobile body has been increased, thereby light-weight space formula automobile body has been realized, just so accomplish the use of the lower automobile body structure of whole hydrogen cell car.
Above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.
Claims (9)
1. The utility model provides a lower automobile body structure of hydrogen fuel cell car, includes automobile body (1) and hydrogen bottle frame (6) down, its characterized in that: a vehicle body cross beam (2) is arranged in the lower vehicle body (1), a seat cross beam (3) is fixed above the vehicle body cross beam (2), a lower vehicle body middle channel (4) is arranged on the upper sides of the vehicle body cross beam (2) and the seat cross beam (3), a mounting cavity (5) is arranged on the lower side of the interior of the lower vehicle body (1), the mounting cavity (5) is positioned below the vehicle body cross beam (2), the hydrogen bottle frame (6) is mounted in the mounting cavity (5), a buffer gasket (7) is fixed on the upper side of the hydrogen bottle frame (6), a hydrogen bottle (8) is arranged in the hydrogen bottle frame (6), and the outer side of the upper part of the hydrogen bottle (8) is provided with a hydrogen bottle fixing beam (9), the two sides of the hydrogen bottle fixing beam (9) are connected with a hydrogen bottle frame (6), and a connecting bolt (10) penetrates between the hydrogen bottle fixing cross beam (9) and the vehicle body cross beam (2).
2. The lower body structure of a hydrogen fuel cell vehicle according to claim 1, characterized in that: the symmetry center of the lower vehicle body (1) is superposed with the symmetry center of the vehicle body cross beam (2), and the symmetry center of the vehicle body cross beam (2) is superposed with the symmetry center of the hydrogen bottle fixing cross beam (9).
3. The lower body structure of a hydrogen fuel cell vehicle according to claim 1, characterized in that: the automobile body cross beam (2) is of a horizontal structure, and the automobile body cross beam (2) is connected with the seat cross beam (3) through bolts.
4. The lower body structure of a hydrogen fuel cell vehicle according to claim 1, characterized in that: the two seat cross beams (3) are arranged and are parallel to each other.
5. The lower body structure of a hydrogen fuel cell vehicle according to claim 1, characterized in that: the shape of the mounting cavity (5) is matched with that of the hydrogen bottle frame (6), and the transverse central line of the mounting cavity (5) is matched with that of the hydrogen bottle frame (6).
6. The lower body structure of a hydrogen fuel cell vehicle according to claim 1, characterized in that: the hydrogen bottle frame (6) is fixedly connected with the buffer gasket (7), and the hydrogen bottle frame (6) is connected with the mounting cavity (5) of the lower vehicle body (1) through a bolt.
7. The lower body structure of a hydrogen fuel cell vehicle according to claim 1, characterized in that: the hydrogen bottle (8) is provided with five groups, the hydrogen bottles (8) are distributed at equal intervals, and the hydrogen bottles (8) and the hydrogen bottle frame (6) are installed in an integrated mode.
8. The lower body structure of a hydrogen fuel cell vehicle according to claim 1, characterized in that: the hydrogen bottle fixing cross beam (9) is provided with three, and one side that the downside of hydrogen bottle fixing cross beam (9) is pressed close to hydrogen bottle (8) is arc column structure.
9. The lower body structure of a hydrogen fuel cell vehicle according to claim 1, characterized in that: the hydrogen bottle fixing cross beam (9) is connected with the car body cross beam (2) through connecting bolts (10), and the connecting bolts (10) are symmetrical about the center line of the hydrogen bottle fixing cross beam (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081722.4U CN214564618U (en) | 2020-12-18 | 2020-12-18 | Lower body structure of hydrogen fuel cell automobile |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023081722.4U CN214564618U (en) | 2020-12-18 | 2020-12-18 | Lower body structure of hydrogen fuel cell automobile |
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| Publication Number | Publication Date |
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| CN214564618U true CN214564618U (en) | 2021-11-02 |
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| CN202023081722.4U Active CN214564618U (en) | 2020-12-18 | 2020-12-18 | Lower body structure of hydrogen fuel cell automobile |
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